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Fuel Cost & Mileage Calculator

Calculate your vehicle's fuel efficiency (MPG or L/100km) and estimated trip fuel costs.

⚡ Instant 🆓 Free 🔒 Private
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Fuel Efficiency & Trip Costs

Whether you're planning a cross-country road trip or just monitoring your car's health, tracking fuel consumption is a smart financial move. This tool converts simple inputs into actionable efficiency data.

Standard Units

  • MPG (Miles Per Gallon): Primarily used in the US and UK. Higher is better.
  • L/100km (Liters per 100km): Standard in Europe and most other regions. Lower is better.

Ways to Improve Gas Mileage:

  1. Maintain Tire Pressure: Under-inflated tires increase rolling resistance.
  2. Smooth Acceleration: Avoid rapid starts and stops to conserve fuel.
  3. Reduce Weight: Remove unnecessary items from your trunk or roof rack.